Ten scientists are racing

 Over at Concatenation, Jonathan Cowie very kindly invited me to select a list of my favorite scientists born in the twentieth century. I found that it was easy to come up with two or three but much harder to come up with ten. Jonathan was very patient with me in the time it took to make and submit my selection, but it's now done and should you so wish you can read it here:

http://www.concatenation.org/science/reynolds-scientist.html

Be sure to check out the rest of the recent content on the always excellent Concatenation website.

Continuity

 This excellent bird book was a family favorite in the 1970s. I believe it was purchased on a holiday in Barmouth, North Wales.

It came back to me after a recent bereavement and I remembered that I had logged many bird sightings in the Bridgend and Barry area between 1977 and 1978. I had not seen a siskin, though, and since I did happen to see a beautiful pair of siskins yesterday, I thought I might as well add an another entry:

And here is a siskin - not the one I saw yesterday, but another sighting today, about 40 miles away: